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11 terms

Hormones I

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hormones
chemical substances secreted by cells into the extracellular fluids that regulate metabolic function of other cells in the body
amino acid base or steroid
hormones can be classified chemically as
amino acid base
most hormones are
steroids
synthesized from cholesterol
gonadal and adrenocortical
of the hormones produced by the major endocrine organs, only ______ and _______ hormones are steroids
eicosanoids
include leukotrienes and prostaglandins
eicosanoids
biologically active lipids made from arachidonic acid
eicosanoids
released by nearly all cell membranes
leukotrienes
signaling chemicals that mediate inflammation and some allergic reactions
prostaglandins
have multiple targets and effects ranging from raising blood pressure and increasing the expulsive uterine contractions of birth to enhancing blood clotting, pain, and inflammation
highly localized
the effects of eicosanoids are typically: